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Lubrication system - General components overview > < Cooling system components

Leon Mk1

Oil pump - Component overview
Oil pump - Component overview
t  Dip stick marks → Fig.
t  oil level and oil temperature sender -G266-: Removing and installing → Fig.
t  Oil injection jet and pressure release valve (BGU engine codes) → Fig.
   
1 - 15 Nm
2 - Retainer
q   Wiring harness for the oil level and oil temperature sender -G266-
3 - Oil dipstick
q   The oil level must not be above the MAX mark. - Risk of damage to the catalytic converter!
q   Dip stick marks → Fig.
4 - Filling funnel
q   Remove and evacuate the oil by absorption
5 - Guide pipe
6 - Dowel sleeves
7 - O ring
q   Renew
8 - 15 Nm
9 - Suction line
q   Clean strainer if soiled.
10 - Baffle plate
11 - 15 Nm
12 - 15 Nm
13 - Oil sump
q   Clean sealing surface before fitting.
q   Removing and fitting → Chapter
14 - Seal
q   Renew
15 - Oil drain plug, 30 Nm
q   With permanent oil seal
q   Renew
16 - 10 Nm
17 - Oil level/oil temperature sender -G266-
q   Depending on design
q   Removing and fitting → Fig.
q   Checking: → Vehicle diagnostic, testing and information system VAS 5051
18 - O ring
q   Renew
q   Grease before assembly.
19 - Oil pump:
q   For pressure relief valve, approx. 12 bar
q   Removing and fitting → Chapter
q   Before fitting check that the dowel pegs are fitted → Item
q   Replace if there is scoring on the friction surfaces or the gear teeth.
q   Tightening torque for oil pump cover to oil pump housing: 10 Nm
20 - Oil pump chain sprocket:
q   Note fitting position:
q   Sprocket can only be fitted on oil pump shaft in one position.
q   Oil pump chain sprocket: Removing and installing → Chapter
21 - 20 Nm + 90° (1/4 turn)
q   Renew
22 - Chain for oil pump
q   Make a coloured marking for the direction of rotation with before removing
q   Check for wear.
23 - Front sealing flange:
q   Must be housed correctly in the dowel sleeves for adjusting
q   Removing and fitting → Chapter
q   Crankshaft oil seal, pulley end: Renew → Chapter
24 - Chain tension device with tensor rail, 15 Nm
q   Do not dismantle.
q   Note fitting position:
q   Pre-tension spring and engage before installing

   
Markings on oil dipstick
Markings on oil dipstick
1 - „max.“Mark
2 - mark „min.“
a - Zone between upper ridge of printed area and MAX mark: do not add oil
b - Oil level in the area with grid: Oil can be refilled. Check that after adding the oil level, it does not exceed area -a-.
c - Area between the MIN marking and the lower edge of the area with grid: add 0.5 litres of oil at most. This will be enough, when the oil level reaches the zone -b- (engraved area)
  N17-0037
New version
1 - MAX mark
2 - MIN marking
a - Oil level in the range of the MAX marking: do not refill with oil.
b - Oil level in the middle area: oil can be refilled
c - Oil level in the range of the MIN marking: Refill with approx. 0.5 l oil.
  N17-10034
oil level and oil temperature sender -G266-: Removing and installing
Depending on design
1 - Replace the screw, 10 Nm
2 - Replace the sealing ring
3 - Electrical connector
4 - Oil level/oil temperature sender -G266-
  A17-0294
Oil injection jet and pressure release valve (BGU engines)
1 - Bolt with pressure relief valve, 27 Nm
2 - Oil spray jet for cooling piston
t  Opening pressure 1.3 ... 1.6 bar
  A17-0352

Lubrication system - General components overview > < Cooling system components